Finding the Third Proportional to 841,040 and 1,258,078

Step by Step Solution

1. Step 1: Write the proportion equation
   841,040 : 1,258,078 = 1,258,078 : x
2. Step 2: Convert to fraction form
   841,040/1,258,078 = 1,258,078/x
3. Step 3: Cross multiply
   841,040x = 1,258,078 × 1,258,078
4. Step 4: Simplify right side
   841,040x = 1,582,760,254,084
5. Step 5: Solve for x
   x = 1,582,760,254,084/841,040
6. Step 6: Final answer
   x = 1,881,908.42